At a book signing hard cover copies if books cost 32$ each and softcover copies are 24$ there were 92 hard cover copies and 68 softcover how much did it cost in all

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

What is the slope of (0,32) and (100,212)